英语翻译1.小刀用来切割东西而它很久以前就被发明了.Knivescuttingthingsandtheymanyyearsago.2.你知道电话是谁发明的吗?它可以用来干什么?Doyouknowwhothetelephoneandwhat.3.我想

Question

英语翻译
1.小刀用来切割东西而它很久以前就被发明了.
Knives_______cutting things and they _______many years ago.
2.你知道电话是谁发明的吗?它可以用来干什么?
Do you know who the telephone______and what______.
3.我想要一部电脑因为它能帮我解决许多学习上的难题.
I'd like to have a computer because it could_________________in my study.

Answer 1

1. are used for, were invented
2. was invented by, it can be used for
3. help me solve lots of difficult problems